KR20140017396A - Connector and connection device of concrete member using the same - Google Patents

Abstract

In the state where the connecting member is axially displaced, even when a large external force is applied in the direction of releasing the connection between the parts to be connected, a connector for making the hole between the shield segments as small as possible and a connecting device for the concrete member using the same are provided.
A storage chamber 4 having a tip end opening in the casing 3 is provided, and a wedge-shaped female locking member 12 divided in the circumferential direction is disposed in the storage chamber 4 so as to be slidable in the axial direction. It consists of the female connection member 1 which pressed the member 12 in the forward direction by the press means 15, and the male connection member 2 which provided the male locking member 23 to the ship, and the male locking member 23 Is inserted into the locking hole, and then the locking hole is reduced by the pressing means 15 so that the locking portion of the female locking member 23 and the locking portion of the male locking member 12 are engaged. The base 25 was provided inside the locking part in the male locking member 23, and in at least one part of the said base, it formed so that the outer diameter might become larger inside.

Description

CONNECTOR AND CONNECTION DEVICE OF CONCRETE MEMBER USING THE SAME}

The present invention relates to a connector and a connection device for a concrete member using the same.

Conventionally, the female connection member 100 and the male connection member 101 as shown in FIG. 9 are known as the connection tool of members.

The female connecting member 100 forms a tapered hole 102 therein, and divides the sliding guide protrusion along the axial direction on the inner surface of the tapered hole 102 in the circumferential direction to form a plurality. A female engaging member (wedge nut) 106 having one casing 103 and an outer surface formed on the tapered surface 104 along the tapered hole 102 and having an internal thread 105 formed therein, and the wedge It has a compression spring 107 that presses the nut 106.

The male connecting member 101 is a connecting member 109 in a cylindrical adjusting member 108 formed of a member that can be deformed, for example, an elastic material such as foamed styrol or rubber, resin, corrugated cardboard, or the like. , A male locking member 110 is provided at a front end of the connecting member 109, and an outer circumferential portion of the male locking member 110 of the female connecting member 100 is provided. The male screw 111 which meshes with the female screw 105 is engraved and installed.

An anchor bar 112 is screwed into and fixed to a rear portion of the connecting body 109, and an anti-separation part is installed at a rear end of the anchor bar 112, and on an outer circumference of the anchor bar 112. And a space holding pipe 113 made of an elastic material such as rubber or metal. The front end of the space-holding pipe 113 is hooked to the rear side of the adjustment member 108, and the rear end is made of an elastic material such as rubber provided in an anti-separation part of the anchor bar 112. It is caught in the seat member which consists of. A gap 114 is formed between the anchor bar 112 and the space maintaining pipe 113.

In the connection in this connector, the wedge nut 106 divided by inserting the male locking member 110 through the female connecting member 100 without rotating the female connecting member 100 is connected. The female screw 105 is engaged with the male screw 111 of the male locking member 110 so that the wedge nut 106 is pushed to the large diameter side against the compression spring 107, and the plurality of wedge nuts 106 The inner diameter of the female threaded hole formed in the inner diameter is enlarged so that the male locking member 110 can be inserted to a predetermined position of the female connecting member 100. When the insertion is completed, the pressing force of the compression spring 107 is completed. The female screw 105 of the wedge nut 106 is engaged with the male screw 111 of the male locking member 110, whereby the female connecting member 100 and the male connecting member 101 are connected.

Using the connector configured as described above, for example, there is a desire to connect the shield segments made of concrete used in the tunnel to each other. In this case, as shown in FIG. 10, the female connection member 100 of the said connector is provided in one shield segment 120, and the male connection member 101 is provided in the other shield segment 121. As shown in FIG.

As shown in FIG. 11, the shaft center of the female coupling member 100 and the male coupling member 101 move the female coupling member 100 and the male coupling member 101 in a non-concentric state (axial shift state). In this case, also in this case, the male connecting member 101 is centered on the fall prevention portion of the anchor bar 112 by the adjusting member 108, the space maintaining pipe 113, and the space 114. Thus, since the female connecting member 100 can rotate in the direction of the side where the female connecting member 100 is located, the male locking member 110 is inserted into the female connecting member 100 so that both connecting members 100 and 101 can be rotated. Can be connected.

As mentioned above, the connection members 100 and 101 can be connected also in non-concentric state (axis shift state). However, as shown in FIG. 11, in the state where the male locking member 110 is largely inclined in the direction of the side where the female connecting member 100 is located, the male locking member 110 is attached to the female connecting member 100. Is inserted, the front end of the male locking member 110 moves the female locking member 106 located on one side to the rear of the other female locking member 106 as shown in FIG. The state in which the other female locking member 106 is located ahead of the one female locking member 106 may occur.

After such a state, when the female screw 105 of the female locking member 106 is engaged with the male screw 111 of the male locking member 110, the female locking member 106 located on one side in the radial direction and the other side is There exists a possibility that the engagement position of the front-back direction with respect to the male locking member 110 of the female locking member 106 located may differ greatly.

In such a state, if a large external force is applied between the shield segments in the direction of releasing these connections, the holes between the shield segments become large and there is a fear of leakage.

Therefore, in the present invention, after the connecting members connect the parts to be connected in a non-concentric state (axis shift state), for example, the shield segments, in a state in which a large external force acts in the direction of loosening the connection between the shield segments. Even if it aims at providing the connector which makes the hole between shield segments as small as possible, and the connection device of the concrete member using the same.

In order to solve the said subject, invention of Claim 1 provides the storage chamber in which the front-end part is opened in a casing, and forms the taper hole which has a taper surface in which the direction of a shaft is reduced in the said storage chamber. The wedge-shaped female locking member divided in the circumferential direction is slidably disposed in the tapered hole, and a locking portion composed of a plurality of locking mountains is inscribed and installed on the inner surface of the female locking member. A female connecting member which presses the female locking member in a forward direction by a pressing means;

It consists of the male connection member which installed the male locking member which engraved and provided the locking part which consists of a plurality of locking mountains to the line part,

The locking hole is enlarged by inserting the male locking member into the locking hole constituted by the female locking member, and then the locking hole is reduced in diameter by pressing means, and the locking portion of the female locking member is secured. A connector for engaging the engaging portion of the locking member,

A base is provided inward from the locking portion of the male locking member, and at least a portion of the base is formed such that its outer diameter gradually increases as the inner diameter thereof increases.

In the connector according to claim 1, in the connector described in claim 1, the locking portion of the female locking member is formed by a female screw, and the locking portion of the male locking member is formed by a male screw that engages the female screw. The pitch with respect to the nominal diameter is set smaller than the screw pitch with respect to the nominal diameter of the narrow screw prescribed | regulated to JIS. It is characterized by the above-mentioned.

In the invention described in claim 3, in the connector described in claim 1, the locking portion of the female locking member is formed by a parallel locking groove parallel to the parallel locking peak formed in a ring shape in the circumferential direction,

The locking portion of the male locking member is formed of a locking groove and a locking mount fitting the locking mount and the locking groove.

The pitch with respect to the nominal diameter in the said latching | difference is set smaller than the thread pitch with respect to the nominal diameter of the narrow screw prescribed | regulated to JIS. It is characterized by the above-mentioned.

In the invention described in claim 4, in the connector described in claims 1 to 3, the male connecting member includes a connecting body having a hollow portion in which a line portion is opened, and the inside of the male locking member is attached to the hollow portion. The outer peripheral surface of the said connection body was formed circularly, and the adjustment member formed from the member which can deform | transform is provided in the outer periphery of the said connection body, It is characterized by the above-mentioned.

According to a fifth aspect of the invention, in the connector described in claims 1 to 4, a plurality of washers are provided between the female engaging member of the female connecting member and the pressing means.

Invention of Claim 6 uses the connector as described in any one of said Claims 1-5,

The female connecting member is fixed to one concrete member to be connected, and is fixed to the other concrete member to which the male connecting member is to be connected.

Invention of Claim 7 WHEREIN: In the connection apparatus of the concrete member of Claim 6, the said concrete member is a shield segment, It is characterized by the above-mentioned.

According to the present invention, at least a part of the base of the male locking member is formed so as to increase gradually as the outer diameter thereof is increased, so that the connecting members are connected to each other even when the connecting members are in a non-concentric state (axial displacement). By this enlarged diameter portion, since the male locking member moves in the axial direction of the female connecting member, the misalignment of the engagement position in the front-back direction with respect to the male locking member of one female locking member and the other female locking member can be reduced. .

As a result, after the male connecting member and the female connecting member are connected to each other in a non-concentric state (axially displaced state), for example, the shield segments, the large connecting member and the female connecting member are large in the direction of loosening the connection between the shield segments. Even when an external force acts, the hole between the parts to connect can be suppressed small.

Moreover, when applied to the connection between shield segments, since a hole can be suppressed small, the sealing material provided between shield segments can also be made small.

Therefore, when the connector of this invention is applied to the connection between shield segments, the hole between shield segments can be suppressed small and a shield segment can be connected effectively.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a partial cross sectional view of a female connecting member in a first embodiment of the present invention in cross section;
Fig. 2 is a partial cross-sectional view of the male connecting member according to a first embodiment of the present invention in cross section.
Fig. 3 is a partial cross sectional view showing a connection state between a female connecting member and a male connecting member in Embodiment 1 of the present invention.
4 is a sectional view taken along the line AA in Fig.
Fig. 5 is an enlarged side view of the locking portion of the female locking member and the male locking member in the first embodiment of the present invention.
Fig. 6 is an enlarged side view of the locking portion of the female locking member and the male locking member in the second embodiment of the present invention.
Fig. 7 is a side cross-sectional view of the female connecting member in the third embodiment of the present invention.
8 is a cross-sectional view taken along line BB of FIG. 7.
9 is a partial side cross-sectional view of a conventional male connecting member and a female connecting member.
Fig. 10 is a side sectional view showing a state where a conventional connector is applied to a connection of a shield segment.
Fig. 11 is a side cross-sectional view for explaining a connection operation in a state where an axis of a male connecting member and a female connecting member are different in a conventional connector.

EMBODIMENT OF THE INVENTION The form for implementing this invention is demonstrated based on the Example shown in drawing.

Example 1

1 to 5 show Example 1 of the present invention.

FIG. 1: shows the partial cross section which made the female coupling member 1 of the present Example 1 cross section, and FIG. 2 is a sectional drawing of the male coupling member 2 which connects with the said female coupling member 1. A partial cross section is shown.

The female coupling member 1 has a casing 3, and the casing 3 is formed in a cylindrical shape, for example, a cylindrical shape, and a storage chamber 4 is formed therein. The tip of the storage chamber 4 is a conical tapered hole 5 whose inner circumferential surface is a tapered surface whose inner diameter gradually expands from the front end 4a side to the rear (inner side). The intermediate part of the storage chamber 4 is formed by the pressurizing means storage part 6. The internal thread 3a is engraved and provided in the inner peripheral surface of the rear part of the casing 3.

An insertion portion 7 is formed at the front end of the storage chamber 4, the tip end of the insertion portion 7 is opened, and an internal thread 7a is engraved on the inner circumferential wall thereof.

In the taper hole 5, the sliding guide protrusion 11 along the axial center X-X direction is divided into the circumferential direction as shown in FIG. 4, and is formed in multiple numbers. Moreover, in the said taper hole 5, as shown in FIG. 4, the wedge-shaped female engaging member 12 formed by dividing | plurally in the circumferential direction is the casing 3 between the said sliding guide protrusions 11 mutually. It is arrange | positioned so that sliding to the axial direction of XX direction is possible. Although the number of the female locking members 12 was set to three in this Example as shown in FIG. 4, it sets arbitrarily. In addition, below, the female locking member 12 is also called the wedge nut 12.

Moreover, the outer surface of the said wedge-shaped female locking member 12 is in the tapered surface 12a along which the taper surface of the said taper hole 5, ie, an outer diameter gradually enlarges from the front-end | tip part 4a side to the back, is extended. Formed. In addition, on the inner circumferential surface of each female locking member 12, a locking portion (female thread) 12b, which is formed of a spiral hook and a locking groove, is a circular arc centering on the shaft center XX of the casing 3, and the shaft center XX is formed. Inscribed in the direction of installation. If the spiral engaging portion 12b is formed in a spiral shape, any shape of a thread can be used as the cross-sectional shape. As shown in FIG. 5, the axial cross section has an inequilateral triangular shape. The tapered angle of which the shape is small, such as the engaging part (female thread) 12b which consists of the saw blade-shaped latching | drain 12d and the locking groove 12e, an isosceles triangular shape, a right triangle, etc. can be used.

As described above, the plurality of wedge nuts 12 form the engaging holes (female threaded holes) 12c as shown in FIG. 4, and the respective wedge nuts 12 retreat along the tapered surface, thereby providing the female screws. The hole 12c is enlarged in diameter, and the female screw hole 12c is reduced in diameter by moving in the radial direction.

Moreover, at the rear end of the said wedge nut 12, the press means base (spring base) 13 which is commonly engaged with each wedge nut 12 is arrange | positioned. The thickness of the pressing means receiver 13 is set in accordance with the amount of holes allowed between the shield segments to be connected, for example, by changing the number of washers. By changing the thickness of the pressing means receiver 13, the amount of movement of the wedge nut 12 to the rear can be adjusted. In the present Example, two washer 13a was piled up and used as the pressing means base 13. The number of sheets of this washer 13a may be one, or may be plural and set according to the amount of movement of the wedge nut 12 to the rear. Thus, by using the washer 13a, the thickness of the press means base 13 can be changed easily.

The cover plate 14 which provided the screw hole 14a in the center part is screwed in the female screw 3a of the rear part of the said casing 3. The pressurizing means 15 is accommodated between the pressurizing means base 13 and the cover plate 14 in the pressurizing means accommodating part 6. The pressing means 15 is formed of an elastic member such as a coil spring, rubber, resin, urethane, or the like. In the first embodiment, the coil spring is stored in a compressed state. Each wedge nut 12 is pressurized in the direction of the front-end | tip part 4a by the pressing force of the said press means 15 always.

An anchor bar 18 protruding backward from the lid 14 is screwed to the lid 14 so as to be fixed. On the rear side of the anchor bar 18, the fall prevention part 18a protrudes to the outer peripheral side, and is provided.

The said female connection member 1 is the surface 3c by the side of the front-end | tip part 4a of the casing 3 to the shield segment 19 which is a component to connect to one side, for example, a concrete member as shown in FIG. It is embedded and fixed so that it may coincide with the joining surface 19a of this shield segment 19. As shown in FIG.

Next, the male connecting member 2 will be described.

The male connecting member 2 has an adjustable member 21 formed of a deformable member, for example, an elastic material such as foamed styrol, rubber, resin, corrugated cardboard, or the like. The said adjustment member 21 is formed in the cylindrical shape whose inner peripheral surface and outer peripheral surface are circular, and in this adjustment member 21, the connecting body 22 in which the outer surface was formed circular was provided. This connecting body 22 is made of metal, and the hollow part 22a in which the both ends (front end and rear end) of an axial direction open is formed.

A female screw 22b is engraved and installed on the inner wall of the hollow portion 22a from the front end to the rear end, and is formed in a cylindrical shape without a screw between the tip of the female screw 22b and the end of the connecting body 22. Cylindrical portion 22c is formed.

As shown in FIG. 2, the female screw body which is provided in the inside of the male locking member 23, and the male screw 23c was engraved on the outer periphery in the front part of the female screw 22b in the said connection body 22 is shown. 23a is screwed on.

The male locking member 23 protrudes from the distal end of the connecting body 22, and a dome-shaped guide portion 24 in which the distal end is reduced is formed at the distal end (front side). That is, the curved surface which guide | induces the said male locking member 12 is formed in the front part, The spiral part of the spiral part as shown in FIG. A locking portion (male screw) 23b made of a locking groove is engraved and installed.

As long as this locking part 23b has a spiral shape and the shape corresponding to the locking part 12b of the said wedge nut 12, it can use arbitrary shape, for example, the shaft as shown in FIG. Such as an isosceles triangular shape and a tapered angle of the tip, the tapered angle of the tip portion is small, and an engaging portion (male screw) 23b consisting of a saw blade-shaped locking mount 23d and a locking groove 23e, an isosceles triangular shape, a right triangle, and the like. A shape can be used. The diameter of the said locking part 23b is set slightly larger than the diameter of the screw hole 12c formed from these, when each said wedge nut 12 is advanced most.

A base 25 is formed between the locking portion (male screw) 23b and the male screw body 23a, and the base 25 has an outer diameter of the locking portion 23b at the tip thereof, as shown in FIG. 2. It is set substantially the same as that, and a tapered enlarged diameter portion 25a which is enlarged in diameter toward the inner portion from its tip is formed. The outermost diameter of the enlarged diameter portion 25a is set smaller than the inner diameter of the insertion portion 7, and the angle of the tapered surface is arbitrarily set. In addition, the enlarged diameter part 25a should just be formed in at least one part of the base part 25. As shown in FIG. In addition, the enlarged diameter part 25a should just be formed in at least one part of the base part 25. As shown in FIG. In addition, as long as the enlarged diameter part 25a is enlarged so that it may go inward, it may form in a curved shape.

In the inner part of the enlarged diameter part 25a of the base 25, the cylindrical part 25b of the screwless shape of substantially the same diameter is formed in the axial center Y-Y direction. The outer diameter of the cylindrical portion 25b is approximately equal to the outer diameter of the locking portion 23b, and is smaller than or slightly smaller than the inner diameter of the cylindrical portion 22c of the hollow portion 22a in the connecting member 22. It is set, and the cylindrical part 22 of the base 25 is fitted in the cylindrical part 25b of the hollow part 22a.

As shown in FIG. 2, the anchor bar 30 is screwed and fixed to the rear part of the said connection body 22. As shown in FIG. The fall prevention part 30a is provided in the rear end of the said anchor bar 30. As shown in FIG. Moreover, the space holding pipe 31 which consists of elastic materials, such as rubber | gum, or a metal is provided in the outer periphery of the anchor bar 30. As shown in FIG. The front end portion of the space-retaining pipe 31 is caught by the locking portion 21a at the rear side of the adjustment member 21, and the rear end portion thereof is made of rubber or the like provided in the fall prevention portion 30a of the anchor bar 30. It is caught by the seat member 32 which consists of elastic materials. A gap 33 is formed between the anchor bar 30 and the space maintaining pipe 31.

In addition, without forming the space retaining pipe 31 and the void 33, the entire outer periphery of the portion corresponding to the space retaining pipe 31 in the anchor bar 30 is formed of an elastic material such as rubber. You may also For example, you may extend the adjustment member 21 to the inside and form it.

As shown in FIG. 3, the said adjustment member 21, the anchor bar 30, and the space maintenance pipe 31 are connected to the shield segment 35 which is another component to connect, for example, a concrete member. The front face 22d of the sieve 22 is buried and fixed so as to coincide with the joint face 35a of the shield segment 35, and the adjustment member 21 and the space holding pipe 31 ), Concrete is poured outside the fall prevention unit 30a.

Moreover, the seal material which is not shown in figure shows in the joining surface 19a in the said one shield segment 19, and is not shown in the joining surface 35a in the other shield segment 35. The seal member protrudes and is installed.

The male connecting member 2 provided on the other component 35 to be connected is formed of an adjustable member 21, a void 33, a void retaining pipe 31, and a seat member 32, which are formed of deformable members. By interaction, centering around the fall prevention part 30a of the anchor bar 30, it becomes possible to displace in the direction orthogonal to the axis center YY.

Next, the space | interval (thread pitch) P between the female thread 12b of the said wedge nut 12, and the male thread 23b of the male locking member 23 is demonstrated by FIG.

The thread pitch P of the female screw 12b of the said wedge nut 12 and the male screw 23b of the male locking member 23 is formed as desired, and is referred to the nominal diameter of a narrow screw prescribed in JIS. It is good also as a screw pitch with respect to, and may be smaller than the screw pitch with respect to the nominal diameter of the narrow screw prescribed | regulated to JIS.

For example, when the nominal diameter is M24 (mm), the screw pitch is 2 mm or 1.5 mm or 1 mm in the metric narrow screw of JIS B 0207, but in the present invention, the thread pitch P is 0.3 mm. It is set to -0.8 mm, Preferably it is 0.5 mm.

Moreover, also when a nominal diameter is M30 (mm), screw pitch P is set to 0.3 mm-0.8 mm, Preferably it is 0.5 mm.

Next, a connection operation is demonstrated based on the example which applied this invention to the shield segment.

First, one shield segment 19 and the other shield segment with the shaft center XX of the female connecting member 1 and the shaft center YY of the male locking member 23 of the male connecting member 2 located approximately coaxially. The male locking member 23 is inserted from the opening of the insertion portion 7 of the female connecting member 1 by bringing the 35 close to each other.

When the male locking member 23 is inserted from the insertion portion 7 in the female connecting member 1, the male locking member 23 resists each wedge nut 12 against the pressing force of the pressing means 15. The screw hole 12c formed by each wedge nut 12 is enlarged | retracted by retracting, and it enters, passing through the engagement mountain of each wedge nut 12. As shown in FIG.

And when the enlarged diameter part 25a of the base 25 is inserted in the insertion hole 7, the male locking member 23 will gradually move toward the axial center XX side of the female connection member 1 by the enlarged diameter part 25a. do.

Front end surface of the casing 3 in the female connecting member 1, that is, the joining surface 19a of one shield segment 19 and the line of the connecting body 22 in the male connecting member 2. When the end face, that is, the joint surface 35a of the other shield segment 35 is in contact with each other and the insertion of the male connecting member 2 is stopped, each wedge nut 12 is distal to the tip portion 4a by the pressing force of the pressing means 15. The diameter of the threaded hole 12c formed by each wedge nut 12 is reduced by the tapered surface, and the female screw 12b of each wedge nut 12 is pushed back to the) side and the tapered surface of the male locking member 23 Engages with male screw 23b.

Since the female connecting member 1 and the male connecting member 2 of the first embodiment have the structure described above, they have the following effects and effects.

Even when the shaft center XX of the female coupling member 1 and the shaft center of the male locking member 23 are in a non-concentric state (axial displacement), the male coupling member 2 is a member that can be deformed. By the interaction of the adjustment member 21, the space | gap 33, the space | gap holding pipe 31, and the seat member 32 which were made, the male locking is centered around the fall prevention part 30a of the anchor bar 30. The shaft center of the member 23 can be displaced in the direction orthogonal to the shaft center YY of the male connecting member 2, and the male locking member 23 can be inserted into the screw hole 12c of the female connecting member 1. Can be.

Moreover, the enlarged-diameter part provided in the base 25 of the said male locking member 23, when connecting both connecting members 1 and 2 in the state in which the male locking member 23 was inclined by the said shaft shift state. Since the shaft of the male locking member 23 is gradually displaced in the axial direction XX direction of the female connecting member 1 by 25a, one wedge nut 12 and the other wedge nut 12 in the axial direction are different. ) Position can be prevented from significantly different.

Thereby, even after a connection, even if a large external force acted in the direction which separates these between the shield segments 19 and 35, the hole between the shield segments 19 and 35 can be suppressed to the minimum, and a shield segment Water leakage from between (19, 35) can be prevented. Moreover, since a hole can be made small, the sealing material provided between the shield segments 19 and 35 can be made small, and manufacturing cost can be reduced.

Since the cylindrical part 25b of the base 25 in the male locking member 23 fits into the cylindrical part 22c of the hollow part 22a in the connecting body 22, the shield segment ( At the time of connection of 19 and 35, the strength with respect to the shear load applied to the male locking member 23 can be increased. Therefore, the male locking member 23 can be thinned, and the manufacturing cost of the male connecting member 2 can be reduced.

In the conventional male connecting member 101, since the outer circumferential surface of the connecting body 109 is formed in a hexagonal shape, a large diameter part and a small diameter part are formed in the circumferential direction, and the fitting is fitted to the outer circumference of the connecting body 109. It was necessary to set the outer diameter of the cylindrical adjustment member 108 to be matched with the large diameter portion. In contrast, in the present embodiment, by forming the outer peripheral surface of the connecting body 22 in a circular shape, the diameter of the adjusting member 21 can be made smaller than that of the conventional adjusting member 108, and the male connecting member 2 Can reduce the production cost.

[Example 2]

In the first embodiment, although the locking portion 23b of the male locking member 23 and the locking portion 12b of the female locking member 12 are formed of spiral hooks and locking grooves, for example, FIG. As shown in FIG. 6, a plurality of hooking mountains formed in a ring shape orthogonal to the locking portions 37b of the male locking member 37 and the locking portions 38b of the female locking member 38 with respect to the shaft centers XX, YY, and A plurality of locking grooves may be arranged continuously in the axial direction.

As the annular engaging portions 37b and 38b, as shown in FIG. 6, a plurality of saw blade-shaped engaging mountains 37c and 38c are formed in an annular shape orthogonal to the axial center X-X and YY in the axial direction. It is possible to use those formed by successive arrangements.

In addition, the locking part 37b of the male locking member 37 and the locking part and locking groove of the locking part 38b of the female locking member 38 are not limited to the shape as shown in FIG. It is possible to use a locking portion in which a continuous shape of the hook is formed, or a locking portion in which a right triangle or a trapezoid having an equilateral triangular shape with a small taper angle of the line is continuous.

The dimension of the space | interval (pitch) P between latching peaks is set to the value corresponded to the dimension of the screw pitch shown in the said Example 1.

Since the other members have the same structure as in the first embodiment, the description thereof is omitted.

Moreover, also in this Example 2, it has the same effect | action and effect as the said Example 1.

[Example 3]

7 and 8 show the third embodiment.

In the said Example 1, 2, the male locking member 23 is male by providing the adjustment member 21, the anchor bar 30, the space holding pipe 31, etc. in the male connection member 2. As shown in FIG. Although it was possible to displace in the direction orthogonal to the axis center YY of the connecting member 2, the adjustment member 21, the anchor bar 30, the space holding pipe 31, etc. are provided in the male connecting member 2, and the like. By providing the female connecting member 1 with a member having the same effect as the adjusting member 21, the anchor bar 30, the space retaining pipe 31 and the like in the male connecting member 2, The female connecting member may be displaced in a direction orthogonal to the axis XX of the anchor bar, with the fall prevention portion as the center.

As shown in FIG.7,8, the outer periphery of the casing 3 of the female connection member 41 is a cylindrical shape formed from a member which can be deformed, for example, elastic materials, such as foamed styrol and rubber, resin, and corrugated cardboard. Of the adjusting member 42 is provided, and a locking portion 42a protruding rearward is provided on the rear side of the adjusting member 42.

Moreover, the space holding pipe 43 which consists of elastic materials, such as rubber | gum, or a metal is provided in the outer periphery of the anchor bar 18. As shown in FIG. The front end of the space-retaining pipe 43 is caught by the engaging portion 42a of the adjustment member 42, and the rear end is made of an elastic material such as rubber provided in the fall prevention portion 18a of the anchor bar 18. The seat member 44 is formed. A gap 45 is formed between the anchor bar 18 and the space keeping pipe 43.

In addition, without forming the space holding pipe 43 and the space | gap 45, it forms with the elastic material, such as rubber, in the whole outer periphery of the part corresponded to the space holding pipe 43 in the anchor bar 18, You may also For example, you may extend the adjustment member 42 to the inside and form it.

As for the said adjustment member 42, the anchor bar 18, and the space maintenance pipe 43, the front end surface of the casing 3 is shielded segment 19 to one connection member, for example, the shield segment 19 Buried to be fixed so as to coincide with the joining surface 19a of the c), and concrete 19b is poured outside of the adjusting member 42, the gap retaining pipe 43, and the fall prevention part 18a. have.

The female connection member 41 provided in one connection member 19 is formed by mutually adjusting the adjustment member 42 made of a member that can be deformed, the space 45, the space retention pipe 43, and the seat member 44. By the action, the displacement prevention part 18a of the anchor bar 18 can be centered and can be displaced in the direction orthogonal to the axis XX.

Since the other member has the same structure as the said Example 1, 2, the description is abbreviate | omitted and the same code | symbol as the said Example 1, 2 is attached | subjected to the same member.

Moreover, also in this Example 3, it has the same effect | action and effect as the said Example 1, 2.

Example 4

In Examples 1 to 3, only one of the female connecting member and the male connecting member can be displaced in a direction orthogonal to the shaft center XX or YY, but both the female connecting member and the male connecting member are connected to the shaft center XX and In order to be able to displace in the direction orthogonal to YY, the male connecting member 2 is provided with an adjusting member 21, an anchor bar 30, a space holding pipe 31, and the like, and a female connecting member 1. , 41, an adjustment member 42, a space 45, a space holding pipe 43, and the like may be provided.

Since the other members have the same structure as that of the first to third embodiments, the description thereof is omitted.

Moreover, also in the present Example 4, it has the same effect | action and effect as the said Examples 1-3.

[Other Embodiments]

In the said Examples 1-4, although the sliding guide protrusion 11 was provided in the taper hole 5 in the female connection members 1 and 41, this sliding guide protrusion 11 does not need to be provided.

In addition, in the said Example 1-4, although several wedge nut 12 was provided, you may make it one.

Moreover, in the said Examples 1-4, the female connection member 1, 41 is embedded so that the surface 3c by the front-end | tip part 4a side may coincide with the joining surface 19a of the shield segment 19. Further, while the front end surface 22d of the connecting body 22 of the male connecting member 2 was embedded so as to coincide with the joining surface 35a of the shield segment 35, the surface 3c on the side of the tip portion 4a. ) And one of the front end surfaces 22b may protrude from the joint surfaces 19a and 35a, and the other may be buried so that the front is opened.

In addition, in the said Examples 1-4, although the outer peripheral surface of the connection body 22 was formed circularly, the shape of the outer peripheral surface of the connection body 22 may be formed in polygonal shapes, such as a hexagon.

In addition, in Examples 1 to 4, the female screw may be inscribed to the tip of the hollow portion 22a in the connecting body 22 so as not to provide the cylindrical portion 22c.

As mentioned above, although the specific example of this invention was described in detail, these are only illustrations and do not limit a claim. The technique described in the claims includes various modifications and changes of the specific examples exemplified above.

1, 41: female connection member 2: male connection member
3: casing 4: storage room
5 taper hole 12 female locking member
12b: engaging portion of the female locking member 15: pressing means
19, 35: shield segment 23: male locking member
23b: Locking portion P of male locking member P: Screw pitch

Claims (7)

In the casing, a storage chamber having a tip end opening is provided, and in the storage chamber, a tapered hole having a tapered surface whose diameter is reduced is formed, and a wedge-shaped female shape divided in the circumferential direction in the tapered hole. The female connecting member which arrange | positions a latching member so that it is slidable in an axial direction, carves a latching part which consists of a some latching | diffusion mount on the inner surface of the said female locking member, and pressed the female locking member in the forward direction by the press means. Wow,
It consists of the male connection member which installed in the front part the male locking member which carved and installed the locking part which consists of a plurality of hook mountains,
The locking hole is enlarged by inserting the male locking member into the locking hole constituted by the female locking member, and then the locking hole is reduced in diameter by pressing means, and the locking portion of the female locking member is secured. A connector for engaging the engaging portion of the locking member,
A connector is provided so that a base is provided inward from the locking part of the male locking member, and at least a part of the base has a larger outer diameter inwardly. The method of claim 1,
The fastening portion of the female locking member is formed of a female screw, the locking portion of the male locking member is formed of a male screw that engages the female screw, and the pitch of the nominal diameter of the female screw and the male screw is defined by JIS. A connector characterized in that it is set smaller than the screw pitch for the nominal diameter. The method of claim 1,
The locking portion of the female locking member is formed in a parallel locking groove parallel to the parallel locking peak formed in a ring shape in the circumferential direction,
The locking portion of the male locking member is formed of a locking groove and a locking mount fitting the locking mount and the locking groove.
The connector with which the pitch with respect to the nominal diameter in the said engagement mountain was set smaller than the thread pitch with respect to the nominal diameter of the narrow screw prescribed | regulated to JIS. The method of claim 1,
The male connecting member includes a connecting member having a hollow portion in which a line portion is opened, and attaches the inner side of the male locking member to the hollow portion, forms an outer circumferential surface of the connecting member in a circular shape, and on the outer circumference of the connecting member. A connector comprising an adjustment member formed of a member that can be deformed. The method of claim 1,
And a plurality of washers provided between the female locking member of the female connecting member and the pressing means. Using the connector described in any one of claims 1 to 5,
The female connecting member is fixed to one concrete member to be connected, and fixed to the other concrete member to which the male connecting member is to be connected. The method according to claim 6,
The concrete member connecting device of the concrete member, characterized in that the shield segment.

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